MPICC=mpicc
LIBS= -lmpi -lm
MYFLAGS=-O3 -m64 -D MEMORY_PER_PROCESSOR=1024

b_eff : b_eff.o Makefile
	$(MPICC) -o b_eff b_eff.c $(MYFLAGS) $(LIBS)

b_eff.o : b_eff.c
	$(MPICC) -c $(MYFLAGS) b_eff.c